REPAIR/MAINTENANCE OF HT VCB/OCB AND ALLIED WORKS AT

Amount

Servicing, Testing and calibration of HT VCB 11 KV & SF- 06/VCB 33 KV complete by engineer of OEM of VCB, only with valid company’s ID proof, no local persons or any individual/party or any agency should be allowed to execute this job other than OEM of existing VCB all as directed by Engr-in-Charge. Note:- The complete job will be included following and no extra cost will be paid by department:- i) Cleaning of VCB thorugh blower and dry cloth. ii) Cleaning the VCB mechanism through CRC & Petrol iii) Lubricate the all movable parts of VCB with grease. iv) Tightness checked the all-control wires of VCB. v) Testing of oxilary relay. vi) Checking presence of all cir clips. vii) Checking condition and alignment of jaw contact with cradle terminals. viii) Checking condition of breaker wiring and replace if required. ix) Checking working of anti-pumping device. x) Checking of Contact Resistance for abnormalities.

xi) Checking and Closing & opening Timing. xii) IR value checking of Vaccume bottles & VCB. xiii) Checking scrapping earth alignment. xiv) All test will be performed against faults. xv) Detailed service report will be submitted against each VCB mentioning test values and any faults if any. xvi) Labour cost for replacement of spare is including in quoted rates and spare part cost will be measured in respective item. xvii) In addition to the above any emergency work is required on site it is contractor responsibility to make available service engineer within 24 hrs after intimation to the contractor. xviii) All material along with consumables required during servicing and necessary Manpower, T&P testing kit & spares if required will be arranged by the contractor. xix) If any part of VCB damaged due to mishandling in this case contractor is liable to replace the same without any extra cost to the department. xx) Any other work required to for successful operation of VCB but not listed above shall be included in quoted rates.

S&F in replacement VCB spring charging motor 24/220 Volt DC/AC for 11KV VCB, Bus Coupler of existing make, type, size, capacity with driving gear, fixed in repairs complete all as specified and directed.

S&F in replacement VCB spring charging motor 110/220 Volt DC/AC for 11KV VCB, 33KV SF-6 breaker Bus Coupler of existing make, type, size, capacity complete, fixed in repairs complete all as specified and directed.

S&F in replacement open/closed auxiliary contacts suitable for upto 800 Amps HT VCB fixed in repairs. As per existing sample.

S&F in replacement plug-socket connectors of electrical accessories suitable for upto 800 Amps HT VCB fixed in repairs. As per existing sample.

S&F in replacement locking system for door in VCB suitable for upto 800 Amps HT VCB fixed in repairs. As per existing sample.

S&F in replacement trolley alignment lever suitable for upto 800 Amps HT VCB fixed in repairs. As per existing sample.

S&F in replacement under voltage release suitable for upto 800 Amps HT VCB fixed in repairs. As per existing sample.

S&F in replacement over voltage release suitable for upto 800 Amps HT VCB fixed in repairs. As per existing sample.

S&F in replacement under/over frequency release suitable for upto 800 Amps HT VCB fixed in repairs. As per existing sample.

S&F in replacement shunt trip closing coil assembly 110/220 volts, DC/AC suitable for upto 800 Amps, HT VCB complete incl taking out old assembly of any type and make complete all as specified and directed.

S&F in replacement shunt trip tripping coil assembly 110/220 volts, DC/AC suitable for upto 800 Amps, HT VCB complete incl taking out old assembly of any type and make complete all as specified and directed.

S&F in replacement shunt trip closing coil assembly 24/220 volts, DC/AC suitable for upto 800 Amps, HT VCB complete incl taking out old assembly of any type and make complete all as specified and directed.

S&F in replacement shunt trip tripping coil assembly 24/220 volts, DC/AC suitable for upto 800 Amps, HT VCB complete incl taking out old assembly of any type and make complete all as specified and directed.

S&F in replacement spring charging motor cut off switch as per existing sample suitable for 11 KV VCB complete all as specified and directed.

S&F in replacement ratchet wheel Assembly (small, large & middle gear assy) as per existing sample suitable for 11 KV VCB complete all as specified and directed.

S&F in replacement manual spring charging gear assembly complete as per existing sample suitable for 11 KV VCB complete all as specified and directed.

S&F in replacement HRC fuse (link type) having capacity 2 to 6 amp, 220 V, 80 KA complete all as specified and directed.

S&F in replacement HRC fuse (link type) having capacity 10 to 32 amp, 220V, 80 KA complete all as specified and directed.

S&F in replacement 11 KV, VCB, PT fuse 3.15 Amp complete as per sample.

S&F in replacement stud type terminals of 24V/110V DC suitable for 11KV VCB as per sample.

S&F in replacement antipumping Contactor 4NO+4NC, 24V/110V DC, 6 Amp as per sample.

S&F in replacement auxilary contactor for contact multiplication 4NO+4NC, 24V/110V, DC, 6 Amp as per sample.

S&F in replacement non latching self powered IDMT Relay for RMU operating voltage 18 to 52 V & 75 to 250 V CGI 14S or as per sample complete all as specified and directed.

S&F in replacement master relay operating voltage 24V/110V DC or as per sample complete all as specified and directed.

S&F in replacement vaccume interrupter bottle for vaccum circuit breaker of 800 Amps in HT panel 11000 volts grade incl taking out old interrupter, As per existing sample complete all as specified and directed.

All as per srl item No 26.00 but 630 Amps capacity.

S&F in replacement fixed contact for VCB, 11KV, suitable for 800 Amp capacity fixed in repairs, As per existing sample complete all as specified and directed.

S&F in replacement moving contact for VCB, 11KV, suitable for 800 Amp capacity fixed in repairs,As per existing sample complete all as specified and directed.

S&F in replacement fixed contact for VCB, 11KV, suitable for 630 Amp capacity fixed in repairs, As per existing sample complete all as specified and directed.

S&F in replacement moving contact for VCB, 11KV, suitable for 630 Amp capacity fixed in repairs, As per existing sample complete all as specified and directed.

S&F in replacement spring for trip lever fixed in repair, As per existing sample complete all as specified and directed.

S&F in replacement spout insulator including all necessary fitting including nut & bolt etc suitable for 11KV VCB, 400 Amp capacity fixed in repairs complete all as specified and directed.

All as per item No 33.00 but 800 Amps capacity.

S&F in replacement spout gear of sizes as per sample suitable for upward or downward trolly movement mechanism with lock and bushing as required for 11KV VCB/bus coupler fixed in repairs complete all as specified and directed.

S&F in replacement trip shackle lever suitable for GEC/Crompton/System control complete all as specified and directed.

S&F in replacement Ratchet Pin suitable for HT VCB (As per sample) complete all as specified and directed.

S&F in replacement insulated dust proof cover frame suitable for HT VCB (As per sample) complete all as specified and directed.

S&F in replacement push rod suitable for HT VCB (As per sample) complete all as specified and directed.

S&F in replacement electronic time delay device suitable for HT VCB (As per sample) complete all as specified and directed.

S&F in replacement under voltage release mechanical override suitable for HT VCB (As per sample) complete all as specified and directed.

S&F in replacement opening solenoid (MO3) device suitable for HT VCB (As per sample) complete all as specified and directed.

S&F in replacement rack in out mechanical rod with handle suitable for HT VCB (As per sample) complete all as specified and directed.

S&F in replacement Trip Prop block Assy suitable for HT VCB (As per sample) complete all as specified and directed.

S&F in replacement Drive Link Assy suitable for HT VCB (As per sample) complete all as specified and directed.

S&F in replacement resin cast post type insulator suitable for 11KV VCB busbar panel (As per sample) complete with stud bolt, nut bolt, washer etc complete all as specified and directed.

S&F in replacement current transformer 11KV, single phase indoor resin cast, ratio 800/400/5,-5A class 1.0-5P 10 burden 15VA insulation level 28KV/75KV as per IS-2705 to suit VCB make complete incl taking out old CT complete all as specified and directed.

All as per Srl item No 47.00 but 400/200/5 Amps capacity.

All as per Srl item No 47.00 but 300/150/5 Amps capacity.

All as per Srl item No 47.00 but 200/100/5 Amps capacity.

All as per Srl item No 47.00 but 150/100/50/5 Amps capacity.

All as per Srl item No 47.00 but 100/50/5 Amps capacity.

S&F in replacement indicator lamp of different colour (110 volt) LED type complete with holder to read RYB with necessary wiring complete incl taking out old indicator lamp complete all as specified and directed.

S&F in replacement indicator lamp of different colour (24 volt) LED type complete with holder to read RYB with necessary wiring complete incl taking out old indicator lamp complete all as specified and directed.

S&F in replacement common track suitable for 630Amp/800 Amp/1600 capacity VCB as per sample complete all as specified and directed.

S&F in replacement power pack for hooter panel suitable for incoming supply 220/12 volts/10A AC/DC supply and output 12 volts DC supply all as per existing with wiring all connected, having Battery backup of Power Pack shall be not less than 45 minute complete all as specified and directed.

M&L for wiring of battery charger to all connected 11KV VCB with 2.5 sqmm multi strand single core fluxible copper conducters and shall be properly bunched, tied, ferruled for proper indication and crimped with adequate size/types of lugs after wiring testing complete all as specified and directed.

S&F in replacement PVC insulated and PVC sheathed cable galvanised steel strip or wire armoured electric control cables (Heavy duty) with stranded copper conductor of size 1.5 Sqmm 12 core 1100 volt grade incl taking out old cable of any size and type complete all as specified and directed.

All as per item No 58.00 here in before but 1.5 Sqmm 8 core 1100 volts grade.

All as per item No 58.00 here in before but 2.5 Sqmm 4 core 1100 volts grade.

S&F in replacement VCB moveable service stand with wheels to load and unload of VCB trolley during servicing/general maintenance time period. The stand suitable for 800/630 amp capacity for smooth and safe operation maintaning with the help above capacity VCB trolley, As per sample complete all as specified and directed.

S&F in replacement SF-6 gas bottle including gas suitable for existing 33KV SF6 braker including cheking/testing electronics circuit and control panel remote system. The breaker should be operate with control panel complete all as specified and directed.

S&F in replacement bus bar made at Copper strip (50mmX6mm) is required size and shape, making holes in bus bar as required for fixing bus bar in VCB fixed in repairs complete all as specified and directed.

Representation of waveforms for instantaneous V, I Sag / Swell. Voltage and current harmonics histogram. Records events such as Sag / Swell for voltage with the time stamp in 1s duration. CO2, ON Hr,Power Interruptions. Max demand 4 high/4 low, Flash 6MB, 12am snapshot, 31st day snapshot. Simultaneous sampling of voltage and current, programmable PT & CT ratio.Demand update every second to forecast System Volts, System Current, Volts L1- N, Volts L2-N 5. Volts L3 - N 6. Volts L1 - L2 6. Volts L1-L2 7. Volts L2-L3 8. Volts L3-L1 9. Current L1 10. Current L2 11. Current L3 12. Neutral Current 13. Frequency 14. System Active Power (kw) 15. Active Power L1 (kw) 16. Active Power L2 (kw) 17. Active Power L3 (kw) 18. System Re-active Power (kvAr) 19. Re-active Power L1 (kvAr) 20. Re-active Power L2 (KV Ar) 21. Re-active Power L3 (KVAr)

S&F in replacement strip heater 500 W complete all as specified and directed. Make - As per sample.

S&F in replacement thermostate complete all as specified and directed. Make - As per sample.

S&F in replacement over current and earth fault relay (As per sample) in repair suitable for 24/110 volt DC complete all as specified and directed.

Supply, installing, testing and commissioning in replacement constant current, constant voltage (CCCV) battery charging (Float cum boost) unit to charge 24 volts DC battery bank having 02 Nos 12 volts 150 AH dry type batteries with connecting lead, SRC controlled and consisting of double wound transformer (provided with best quality CRGO laminations for high efficiency), an SRC/diode bridge, smoothing chock, capacitors and electronic circuits for controlling the voltage and current housed in a power coated sheathed steel cabinet not less than 2.0mm thick suitable for 50x50x5mm thick angle iron frame and 45cm height standing legs for fixing and fitted with a digital voltmeter & ammeter. The charge should has indications for mains supply, mode of charging (float or boost), polarity batter reverse & over load conditions. It shall has protection for over load, short circuit, reverse polarity & surge/transient. The charger have to alarm on fuse blowing & short circuit. All protections to charger & its meters shall be provided with suitable rating MCB only including 07 line DC distribution board, copper busbar with threating ends, MCB & fuse for protection and protection back plate should be made of isolated material (MCB incoming 01 No & outgoing - 010). The output voltage regulation have to be better than 1% and load regulation better than 2%. The other technical specifications shall be as under :- (a) Input working voltage - 180 - 270 volts. (b) Nominal input voltage - 240 volts AC, 50 Hz, single phase. (c) On load input power - > 80 (d) On load unit watt efficiencies - > 80% (e) No load losses of complete charger - < 10% (f) Ripple contents on load (rms) - 1% to 5%

(g) Over load - 110% for 30 minutes and should give visual indication for over load condition. (h) Boost charging - 2.4 volts/cell (j) Float charging - 2.5 volts/cell (k) Float cum boost charging - Automatically changes from one state to another state as per battery condition and should give visual indication for either float or boost based on charging mode. (l) Reverse polarity - No damage should be caused. A visual indication should appear with an audio alarm. Make : Exide, Amaron, Luminous.

M&L in replacement for rewiring of 11 KV VCB control panel including replacing of wires, fuses, ferrule as per existing, making connections and testing complete all as specified and directed.

M&L in replacement for rewiring of 33 KV SF-6 control panel including replacing of wires, fuses, ferrule as per existing, making connections and testing complete all as specified and directed.

M&L in replacement for rewiring of Transformer RTCC panel including replacing of wires, fuses, ferrule as per existing, making connections and testing complete all as specified and directed.

S&F in replacement maintenace free battery, having capaicty of 12 volts, 150 AH complete all as specified and directed. Make:- Exide, Luminous, Amaron

M&L in replacement for temperature indicator as per sample for VCB panel including cutting existing panel for fixing temperature indicator/controller with thermostat including necessary wiring required to connect AC supply to strip heater and thermostat, DC supply to indicator etc complete all as specifed and directed.

M&L in replacement doe replacing existing RTCC panel display meter as per sample and existing model complete all as specified and directed.

M/s. S.S. Refrigeration, Bareilly

KUKREJA BROTHERS